$ git clone -n https://src.fedoraproject.org/rpms/python-superqt.git /var/lib/mock/f42-build-side-1-3563119-46727/root/chroot_tmpdir/scmroot/python-superqt
Cloning into '/var/lib/mock/f42-build-side-1-3563119-46727/root/chroot_tmpdir/scmroot/python-superqt'...
$ git fetch origin fc31570f651eba599cb1e826ee5358ff1ee3ecda:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-superqt
 * [new ref]         fc31570f651eba599cb1e826ee5358ff1ee3ecda -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fc31570 Backport patch for big endian